By age 65, one in every three people suffers a fall, and one out of every 20 of these falls results in
a. death.
b. osteoporosis.
c. fracture.
d. muscle failure.

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.